Dishwashing machine



March 13, 1928.

J. BARRY DISHWASHING MACHINE Y. R 5 M Mm A 5m E V5 Mw N5 T *M M Y M u;fr!

March 13, 1928.

J.BARRY DIsHwAsHNG MACHINE oriinal Filed May 21, 1925 y 5 Sheets-@Sheet2 March 13, 1928. 1,662,181

v J. BARRY DISHWASHING MACINE 5 Sheets-Sheet 3 Original Filed May 21,1923 NV'NTR 3 JAMES BARRY i BY Wand l ATT@ NWS Patented Mar. 13, 1928.

UNITED STATES JAMES BARRY, 0F GRAFTON, CALIFORNIA. e

DISI-IWASHING MACHINE.

Application filed May 21, 1923, Serial No. 640,337. Renewed November 23,192:7.

In carrying out thisv object 1 provide a plu-y rality oi tanks dividedinto independent and successive compartments into which dishes may bedelivered. The tanks mentioned are designedto receive diil'erent typesof dishes and each is equippedwith mechanisms for continuously movingthedishes through the successive compartments and to thoroughly cleanseand vsterilize them during their travel.

One form which theinvention may assume is exempliiied in the followingdescription and illustrated by way of example in the accompanyingdrawings, in which:

Fig. 1 is a plan view" of a machine embodying thepreiferred form oi: my'invention.

Fig. 2 is a longitudinal section through the same taken on line`2--2 ofFig. 1.

Fig. 3 is a sideelevat-ion of the drive side of the machine.

Referring more particularly to the accompanying drawings, 10 indicates arectangular housing which longitndmally divided into` a plurality oiindependent tanks by partitionwalls 11. These vtanks are" preferablyformed of different widths to accommodate various types oidishes, bowls,cups and other likeutensils. The tanks are each divided transversely bypartition walls 12 yinto independent and successive compartments asshown in F ig. 1. The tanks `in present instance each comprise an equalynumber ot' compartments. However, it is understood that any number oftanks and compartments may be employed and also that the machine may bedesigned to operate on culinary utenf sils other than the articlespreviously mentioned.

The feed end of the machine is iitted withl aninclined shelf 1.4 towhich articles to be washed are delivered. This shellg partitioned bycontinuations of the longitudinal partition walls of the tanks and ispositioned adjacent an entry opening 15 in the end wall 16 of thehousing. lhis opening communicates with the first compartmentl'? of eachtank. The compartments ot the tanks are tit-ted with inclined falsefloors 18 which are preferably constructed of `oraminousmateintermediate the lowerr ends of the false floors 18 of thecompartments and the upper end of the ialse floors 'of the adjacent cin#i partments. These conveyors are fitted with lugs 21 and are disposedhon an incline `opposite that of -the false doorniembers. The conveyorsare designed to .operate to elevate dishes lowered to the bottom otthecoinpartments and deliver them to the nent compartment. In thismanner` dishes fed totlie delivery shelf 14 are `continuously conveyedthrough the compartments. The dishesare elevated from the lastcompartmentlby a con veyor'22 and delivered to an inclined drying tray23located at the discharge end of the machine, i

` The first two compartments oi each tank are tted with upper rotarybrushes 2a which are disposed above the talseitioors 18.' lt

intended that'fthe upper and lowerbrushes 19 and 24 cofoperate to washthe surfaces of dishes fed to the machine. 'l l Y Two of the tanks,those indicated at 25 and 26, are of a width to `accommodate bowls, cupsand the like and the brushes 24 therein, in the irse compartment, areconnected 'with their drive shaft yby a universal joint 25a. lt will benoticed that the transverse shaft which drives the brushes 24 is formedof two parts which project inwardly from opposite. sides of the tank.l@ne of these parts, indicated by the numeral 24a, extends through theouter partition of the compartment-.26 a slight distance and connectedto the c orc of the brush by the universal oint 25a. Y This' universal`joint may be of any standard eonstruction, permitting the free end oithe brush to be forced downwardly as will be described.` The connectionbeiweenthe other brush 24 and the other part of the shaft 24h is exactlythe same. This construction permits them to be projected into theinterior of a bowl or cup to wash the same. For this purpose the brushesare connected by links to pivoted levers Q8 located at the top of thehousing. By referring to Fig. 2 it is obvious that the levers may bemanipulated to insert the brushes into cups or bowls disposed therebeneath.

rI'he compartments ot the tanks are each tilted with 'a valve controlledinlet pipe 2l() which connects with a suitable source of water supply.rI`he compartments are also fitted with valve controlled drain pipes 3lwhich connect with a conunon outlet pipe so that the water in the tanksmay be changed as desired.

Gas burners are mounted below tanks Vfor the purpose olf maintaining thewater therein at a high temperature. A gas burner 33 is also disposedbelow the drying tray and may be employed to dry thc dishes after theyhave passed through the tanks. It is understood that other means may beemployed to heat the water in the tanks and dry the washed dishes.

For continuously driving the conveyers and the brushes, I provide adrive ,shat't :il fitted with a pulley which may be connected by a beltto a pulley et a driving motor. The drive shaft is also littcd with apulley 3G connected by a belt to a pulley 37 on a. shaft of convejversi2() in the lirst compartment., This shaft is connected by sprocket andchain mechanism 39 to the lower shafts 40 of the other conveyors Q0.These shafts are connected by spur gears 4l to the shafts of the rotarybrushes l). The upper shafts l2 otl the conveyors in the first twocompartments are connected by sprocket and chain mechanisms to the sha1ts of the rotary brushes 2l. It is obvious that when the drive shaft isdriven that the conveyors will operate continuously in the samedirection and that the rotary brushes will be revolved.

In operation, tanks are iilled with water from the inlet pipes 30 andthe gas burners are started to heat the water to a high temperature. Acleansing solution may be placed in the first two compartments olf thetanks but it is preferred that the last compartment contain clear water.

Dishes or other similar articles to be washed may then be fed to thedelivery shelf land will lower by gravity downwardly into the tanksalong the false floors 18 and between the brushes 19 and 2l. In the casethat cups and bowls are being washed, the levers 28 may be manipulatedto project the brushes 2l in the tanks Q5 and 2G into the cups or bowlsto wash them.

When the dishes reach the bottom of the first compartments the lugs onthe conveyors 20 engage them and elevate them to the the false floors ofthe succeeding compartments wherein they undergo a second washing.

By the time dishes reach the last; conipartment they are thoroughlywashed and the clear .vater in the last compartment arts4 to rinse andsterilize them.

It. is reen that by the provision ot` the separa inlet and drain pipes,the compartments el' the tanks may be cleaned and drained as ol'ten asdesired.

lf`rom the foregoing it` is obvious that a very desirable machine hasbeen provided which may be elliciently operated to thoroughly wash andsterilize dishes and like articles.

wWhile l have shown the preferred form of my invention, I wish itunderstood that various changes in the construction and arrangement olthe various parts of my device may be made without departing from theinvention delined in the appended claims.

llaving thus described my invention, what I claim and desire to secureby Letters Patent l. it dish washing machine comprising a housingdivided transversely into three independent compartments, separate fluidinlet and discharge connections for each of said comiartments, saidhousing being formed with an entry opening at one end and an exitopening at the other end, a loraminous inclined lloor member in eachcompartn'icnt, :Said lloors being disposed in parallelism, and cachhaving an opening therein adjacent its lower end, transversely disposedlower rotary brushes disposed one beneath the lloor memi ber in eachcompartment and projecting partly through the opening therein to engagedishes passing over said floor, upper rotary brushes disposed one ineach ot the tirst. two comlgmrtments, said brushes being disposed abovethe lloor members whereby dishes pas-ing over the loor members will passbetween the upper and lower brushes and be engaged thereby, an inclinedconveyor in each con'ipartnicnt, said conveyor being inclined oppositelyto the floor member so as to be disposed between the lower end oll theloor member in the compartment and the upper end ol" the lloor member ofthe succeeding compartment whereby dishes fed into the lirst,coinpinftment will pass downwardly over the iloor member between thebrushesand then be elevated by the conveyor and deposited upon the topolf the lloor menibcr oll the succeeding compartment.

ik dish washing machine comprising a housing divided transversely intothree independentcompartments, separate fluid inlet and dischargeconnections l'or each ot said compartments, said housing being formedwith an entry opening at one end and an exit opening at the other end, aloraminous inclined lloor member in eat-h compartment, said floors beingdisposed in parallelism,

llt]

litt) and each having an opening therein adjacent its lower end,transversely disposed lower rotary brushes disposed one beneath the Hoormember in each compartment and projecting partly through the openingtherein toengage dishes passing over said floor, a brush drive shaftextending' transversely into the lirst compartment above the `foraminousfloor therein, a brush connected with said shaft by a universalconnection, a vertical reciprocable rod connected with said brushwhereby the brush may be projected into the' interior of a bowl or cuppassing over the foraminous floor of the first compartment, and aplvoted lever at the top of the housing for operating said reciprocablerod, a brush drive shaft extending transversely through the secondcompartment, a rotary brush mounted thereon above the foraminous floorwhereby dishes passing over the floor member will pass between the upperand lower brushes therein, an inclined conveyor in each compartment,said conveyor being inclined oppositely to the floor member so as to bedisposed between the lower end of the floor member in the compartmentand the upper end of the floor memberof the succeeding compartment.

JAMEs BARRY.

